243202420122 has 32 divisors (see below), whose sum is σ = 490323812352. Its totient is φ = 80414543664.

The previous prime is 243202420117. The next prime is 243202420127. The reversal of 243202420122 is 221024202342.

It is an interprime number because it is at equal distance from previous prime (243202420117) and next prime (243202420127).

It is a junction number, because it is equal to n+sod(n) for n = 243202420092 and 243202420101.

It is not an unprimeable number, because it can be changed into a prime (243202420127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4670313 + ... + 4722099.

It is an arithmetic number, because the mean of its divisors is an integer number (15322619136).

Almost surely, 2^243202420122 is an apocalyptic number.

243202420122 is an abundant number, since it is smaller than the sum of its proper divisors (247121392230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243202420122 is a wasteful number, since it uses less digits than its factorization.

243202420122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58082.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 243202420122 its reverse (221024202342), we get a palindrome (464226622464).

It can be divided in two parts, 24320 and 2420122, that added together give a palindrome (2444442).

The spelling of 243202420122 in words is "two hundred forty-three billion, two hundred two million, four hundred twenty thousand, one hundred twenty-two".